Toshiba 19L4200UM User Guide - Page 121

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Troubleshooting Picture problems 121 Other problems. If your TV's problem is not addressed in this Troubleshooting section or the recommended solution has not worked, use the Reset Factory Defaults procedure, see "Resetting Factory Defaults" on page 58. TV will not turn on. Ensure the power cord is plugged in properly, and then press the POWER button. Replace the batteries in the remote control, see "Installing batteries" on page 40. Try the control panel buttons on the TV. Picture problems General picture problems. Check the antenna/cable connections, see "Connecting Your TV" on page 21. Press the INPUT button on the remote control or on the TV and select a valid video input source, see "Selecting the video input source" on page 59. If no device is connected to an input on the TV, no picture appears when you select that particular input source. For device connection details, see "Connecting Your TV" on page 21. Antenna reception may be poor. Use a highly directional outdoor antenna (if applicable). The station may be having broadcast difficulties. Try another channel. Adjust the picture quality, see "Using the advanced picture settings" on page 114. Cannot view external signals or channel 3 or 4. If you cannot view signals from external devices connected to VIDEO, ColorStream HD1, ColorStream® HD, HDMI 1, HDMI 2, PC, or from channel 3 or 4, ensure that the Input Lock is set to Off, see "Using the Locks menu" on page 87. Noisy picture. If you are watching an analog channel (off-air broadcast or Cable TV), you can set the CableClear® feature to reduce visible interference in the TV picture, see "CableClear® digital Noise Reduction" on page 118.

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121
T
r
oubleshoo
t
ing
Picture problems
Other problems.
If your TV’s problem is not addressed in this Troubleshooting section or
the recommended solution has not worked, use the Reset Factory
Defaults procedure, see
“Resetting Factory Defaults” on page 58
.
TV will not turn on.
Ensure the power cord is plugged in properly, and then press the
POWER
button.
Replace the batteries in the remote control, see
“Installing
batteries” on page 40
.
Try the control panel buttons on the TV.
Pic
t
u
r
e p
r
oblems
General picture problems.
Check the antenna/cable connections, see
“Connecting Your TV”
on page 21
.
Press the
INPUT
button
on the remote control or on the TV and
select a valid video input source, see
“Selecting the video input
source” on page 59
. If no device is connected to an input on the TV,
no picture appears when you select that particular input source. For
device connection details, see
“Connecting Your TV” on page 21
.
Antenna reception may be poor. Use a highly directional outdoor
antenna (if applicable).
The station may be having broadcast difficulties. Try another
channel.
Adjust the picture quality, see
“Using the advanced picture settings”
on page 114
.
Cannot view external signals or channel 3 or 4.
If you cannot view signals from external devices connected to
VIDEO, ColorStream HD1, ColorStream
®
HD, HDMI 1, HDMI 2,
PC, or from channel 3 or 4, ensure that the Input Lock is set to
Off
,
see
“Using the Locks menu” on page 87
.
Noisy picture.
If you are watching an analog channel (off-air broadcast or Cable
TV), you can set the CableClear
®
feature to reduce visible
interference in the TV picture, see
“CableClear® digital Noise
Reduction” on page 118
.